Pith Number

pith:TDKED7SF

pith:2016:TDKED7SFV3JINQECS2B4IKAVHR

not attested not anchored not stored refs pending

Space-Efficient Error Reduction for Unitary Quantum Computations

Bill Fefferman, Cedric Yen-Yu Lin, Harumichi Nishimura, Hirotada Kobayashi, Tomoyuki Morimae

arxiv:1604.08192 v1 · 2016-04-27 · quant-ph · cs.CC

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TDKED7SFV3JINQECS2B4IKAVHR}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T01:07:53.725833Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

98d441fe45aed286c0829683c428153c4d9789af05ae3874ba140059470f1eda

Aliases

arxiv: 1604.08192 · arxiv_version: 1604.08192v1 · doi: 10.48550/arxiv.1604.08192 · pith_short_12: TDKED7SFV3JI · pith_short_16: TDKED7SFV3JINQEC · pith_short_8: TDKED7SF

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/TDKED7SFV3JINQECS2B4IKAVHR \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 98d441fe45aed286c0829683c428153c4d9789af05ae3874ba140059470f1eda

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1ffad6c2f127b672e81bf9f3d748a01b1dec9ab7869ffca8b7c02f9067355872",
    "cross_cats_sorted": [
      "cs.CC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2016-04-27T19:30:59Z",
    "title_canon_sha256": "0fe09d81fb56d61a6ddcc9e4505f84c8f6c38546c4e0cf4d48e07c24c1527ab6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1604.08192",
    "kind": "arxiv",
    "version": 1
  }
}